TY  - BOOK
AU  - Spears,Harold
TI  - Some principles of teaching
SN  - 0837133742 (ed. 1973)
AV  - LB1025 .S679 1951
U1  - 371.1/02 
PY  - 1951///
CY  - New York
PB  - Prentice Hall
KW  - Teaching
KW  - Local
N1  - Includes bibliographical references
ER  -